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argument names

• To: mathgroup at smc.vnet.net
• Subject: [mg3713] argument names
• From: Andrew Watson <beau at vision.arc.nasa.gov>
• Date: Wed, 10 Apr 1996 02:12:25 -0400
• Sender: owner-wri-mathgroup at wolfram.com

Is there a simple way to get the names of the arguments
within a user-defined function? For example, given:

f[x_] := x^2

I would like a function g such that

g[f] returns x, either as a symbol or a string.



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